diff options
Diffstat (limited to 'dts/Bindings/gpio')
22 files changed, 78 insertions, 22 deletions
diff --git a/dts/Bindings/gpio/8xxx_gpio.txt b/dts/Bindings/gpio/8xxx_gpio.txt index 798cfc9d38..973362eb3f 100644 --- a/dts/Bindings/gpio/8xxx_gpio.txt +++ b/dts/Bindings/gpio/8xxx_gpio.txt @@ -25,8 +25,6 @@ Required properties: - #gpio-cells: Should be two. The first cell is the pin number and the second cell is used to specify optional parameters (currently unused). -- interrupt-parent: Phandle for the interrupt controller that - services interrupts for this device. - interrupts: Interrupt mapping for GPIO IRQ. - gpio-controller: Marks the port as GPIO controller. diff --git a/dts/Bindings/gpio/abilis,tb10x-gpio.txt b/dts/Bindings/gpio/abilis,tb10x-gpio.txt index a25c87b650..ce19c5660a 100644 --- a/dts/Bindings/gpio/abilis,tb10x-gpio.txt +++ b/dts/Bindings/gpio/abilis,tb10x-gpio.txt @@ -14,7 +14,6 @@ Optional Properties: - #interrupt-cells: Should be <1>. Interrupts are triggered on both edges. - interrupts: Defines the interrupt line connecting this GPIO controller to its parent interrupt controller. -- interrupt-parent: Defines the parent interrupt controller. GPIO ranges are specified as described in Documentation/devicetree/bindings/gpio/gpio.txt diff --git a/dts/Bindings/gpio/brcm,brcmstb-gpio.txt b/dts/Bindings/gpio/brcm,brcmstb-gpio.txt index b405b4410b..5d468ecd18 100644 --- a/dts/Bindings/gpio/brcm,brcmstb-gpio.txt +++ b/dts/Bindings/gpio/brcm,brcmstb-gpio.txt @@ -30,9 +30,6 @@ Optional properties: - interrupts: The interrupt shared by all GPIO lines for this controller. -- interrupt-parent: - phandle of the parent interrupt controller - - interrupts-extended: Alternate form of specifying interrupts and parents that allows for multiple parents. This takes precedence over 'interrupts' and diff --git a/dts/Bindings/gpio/fsl-imx-gpio.txt b/dts/Bindings/gpio/fsl-imx-gpio.txt index dbd22e0df2..b4cd9f906c 100644 --- a/dts/Bindings/gpio/fsl-imx-gpio.txt +++ b/dts/Bindings/gpio/fsl-imx-gpio.txt @@ -19,6 +19,9 @@ Required properties: 4 = active high level-sensitive. 8 = active low level-sensitive. +Optional properties: +- clocks: the clock for clocking the GPIO silicon + Example: gpio0: gpio@73f84000 { diff --git a/dts/Bindings/gpio/gpio-adnp.txt b/dts/Bindings/gpio/gpio-adnp.txt index af66b27248..a28902a65a 100644 --- a/dts/Bindings/gpio/gpio-adnp.txt +++ b/dts/Bindings/gpio/gpio-adnp.txt @@ -3,7 +3,6 @@ Avionic Design N-bit GPIO expander bindings Required properties: - compatible: should be "ad,gpio-adnp" - reg: The I2C slave address for this device. -- interrupt-parent: phandle of the parent interrupt controller. - interrupts: Interrupt specifier for the controllers interrupt. - #gpio-cells: Should be 2. The first cell is the GPIO number and the second cell is used to specify optional parameters: diff --git a/dts/Bindings/gpio/gpio-aspeed.txt b/dts/Bindings/gpio/gpio-aspeed.txt index fc6378c778..7e9b586770 100644 --- a/dts/Bindings/gpio/gpio-aspeed.txt +++ b/dts/Bindings/gpio/gpio-aspeed.txt @@ -17,7 +17,6 @@ Required properties: Optional properties: -- interrupt-parent : The parent interrupt controller, optional if inherited - clocks : A phandle to the clock to use for debounce timings The gpio and interrupt properties are further described in their respective diff --git a/dts/Bindings/gpio/gpio-ath79.txt b/dts/Bindings/gpio/gpio-ath79.txt index c522851017..cf71f3ec96 100644 --- a/dts/Bindings/gpio/gpio-ath79.txt +++ b/dts/Bindings/gpio/gpio-ath79.txt @@ -12,7 +12,6 @@ Required properties: - ngpios: Should be set to the number of GPIOs available on the SoC. Optional properties: -- interrupt-parent: phandle of the parent interrupt controller. - interrupts: Interrupt specifier for the controllers interrupt. - interrupt-controller : Identifies the node as an interrupt controller - #interrupt-cells : Specifies the number of cells needed to encode interrupt diff --git a/dts/Bindings/gpio/gpio-davinci.txt b/dts/Bindings/gpio/gpio-davinci.txt index 8beb0539b6..553b92a7e8 100644 --- a/dts/Bindings/gpio/gpio-davinci.txt +++ b/dts/Bindings/gpio/gpio-davinci.txt @@ -15,8 +15,6 @@ Required Properties: - first cell is the pin number - second cell is used to specify optional parameters (unused) -- interrupt-parent: phandle of the parent interrupt controller. - - interrupts: Array of GPIO interrupt number. Only banked or unbanked IRQs are supported at a time. diff --git a/dts/Bindings/gpio/gpio-max732x.txt b/dts/Bindings/gpio/gpio-max732x.txt index 5fdc843b45..b3a9c0c328 100644 --- a/dts/Bindings/gpio/gpio-max732x.txt +++ b/dts/Bindings/gpio/gpio-max732x.txt @@ -30,7 +30,6 @@ Optional properties: - #interrupt-cells: Number of cells to encode an interrupt source, shall be 2. - first cell is the pin number - second cell is used to specify flags - - interrupt-parent: phandle of the parent interrupt controller. - interrupts: Interrupt specifier for the controllers interrupt. Please refer to gpio.txt in this directory for details of the common GPIO diff --git a/dts/Bindings/gpio/gpio-pca953x.txt b/dts/Bindings/gpio/gpio-pca953x.txt index 88f2286655..4e3c550e31 100644 --- a/dts/Bindings/gpio/gpio-pca953x.txt +++ b/dts/Bindings/gpio/gpio-pca953x.txt @@ -37,6 +37,7 @@ Required properties: - #interrupt-cells: if to be used as interrupt expander. Optional properties: + - interrupts: interrupt specifier for the device's interrupt output. - reset-gpios: GPIO specification for the RESET input. This is an active low signal to the PCA953x. - vcc-supply: power supply regulator. @@ -49,6 +50,8 @@ Example: reg = <0x20>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pca9505>; + gpio-controller; + #gpio-cells = <2>; interrupt-parent = <&gpio3>; interrupts = <23 IRQ_TYPE_LEVEL_LOW>; }; diff --git a/dts/Bindings/gpio/gpio-pcf857x.txt b/dts/Bindings/gpio/gpio-pcf857x.txt index 7d3bd631d0..a482455a20 100644 --- a/dts/Bindings/gpio/gpio-pcf857x.txt +++ b/dts/Bindings/gpio/gpio-pcf857x.txt @@ -49,7 +49,6 @@ Optional Properties: - interrupt-controller: Identifies the node as an interrupt controller. - #interrupt-cells: Number of cells to encode an interrupt source, shall be 2. - - interrupt-parent: phandle of the parent interrupt controller. - interrupts: Interrupt specifier for the controllers interrupt. diff --git a/dts/Bindings/gpio/gpio-uniphier.txt b/dts/Bindings/gpio/gpio-uniphier.txt index fed9158dd9..f281f12dac 100644 --- a/dts/Bindings/gpio/gpio-uniphier.txt +++ b/dts/Bindings/gpio/gpio-uniphier.txt @@ -6,7 +6,6 @@ Required properties: - gpio-controller: Marks the device node as a GPIO controller. - #gpio-cells: Should be 2. The first cell is the pin number and the second cell is used to specify optional parameters. -- interrupt-parent: Specifies the parent interrupt controller. - interrupt-controller: Marks the device node as an interrupt controller. - #interrupt-cells: Should be 2. The first cell defines the interrupt number. The second cell bits[3:0] is used to specify trigger type as follows: diff --git a/dts/Bindings/gpio/gpio-xgene-sb.txt b/dts/Bindings/gpio/gpio-xgene-sb.txt index 5490c1d689..e90fb987e2 100644 --- a/dts/Bindings/gpio/gpio-xgene-sb.txt +++ b/dts/Bindings/gpio/gpio-xgene-sb.txt @@ -26,7 +26,6 @@ Required properties: 1 = active low - gpio-controller: Marks the device node as a GPIO controller. - interrupts: The EXT_INT_0 parent interrupt resource must be listed first. -- interrupt-parent: Phandle of the parent interrupt controller. - interrupt-cells: Should be two. - first cell is 0-N coresponding for EXT_INT_0 to EXT_INT_N. - second cell is used to specify flags. diff --git a/dts/Bindings/gpio/gpio-xilinx.txt b/dts/Bindings/gpio/gpio-xilinx.txt index 63bf4becd5..08eed2335d 100644 --- a/dts/Bindings/gpio/gpio-xilinx.txt +++ b/dts/Bindings/gpio/gpio-xilinx.txt @@ -14,8 +14,6 @@ Required properties: Optional properties: - interrupts : Interrupt mapping for GPIO IRQ. -- interrupt-parent : Phandle for the interrupt controller that - services interrupts for this device. - xlnx,all-inputs : if n-th bit is setup, GPIO-n is input - xlnx,dout-default : if n-th bit is 1, GPIO-n default value is 1 - xlnx,gpio-width : gpio width diff --git a/dts/Bindings/gpio/gpio-xlp.txt b/dts/Bindings/gpio/gpio-xlp.txt index 28662d83a4..47fc64922f 100644 --- a/dts/Bindings/gpio/gpio-xlp.txt +++ b/dts/Bindings/gpio/gpio-xlp.txt @@ -30,7 +30,6 @@ Required properties: 4 = active high level-sensitive. 8 = active low level-sensitive. - interrupts: Interrupt number for this device. -- interrupt-parent: phandle of the parent interrupt controller. - interrupt-controller: Identifies the node as an interrupt controller. Example: diff --git a/dts/Bindings/gpio/gpio-zynq.txt b/dts/Bindings/gpio/gpio-zynq.txt index 7b542657f2..4fa4eb5507 100644 --- a/dts/Bindings/gpio/gpio-zynq.txt +++ b/dts/Bindings/gpio/gpio-zynq.txt @@ -11,7 +11,6 @@ Required properties: - gpio-controller : Marks the device node as a GPIO controller. - interrupts : Interrupt specifier (see interrupt bindings for details) -- interrupt-parent : Must be core interrupt controller - interrupt-controller : Marks the device node as an interrupt controller. - #interrupt-cells : Should be 2. The first cell is the GPIO number. The second cell bits[3:0] is used to specify trigger type and level flags: diff --git a/dts/Bindings/gpio/mediatek,mt7621-gpio.txt b/dts/Bindings/gpio/mediatek,mt7621-gpio.txt new file mode 100644 index 0000000000..ba455589f8 --- /dev/null +++ b/dts/Bindings/gpio/mediatek,mt7621-gpio.txt @@ -0,0 +1,35 @@ +Mediatek MT7621 SoC GPIO controller bindings + +The IP core used inside these SoCs has 3 banks of 32 GPIOs each. +The registers of all the banks are interwoven inside one single IO range. +We load one GPIO controller instance per bank. Also the GPIO controller can receive +interrupts on any of the GPIOs, either edge or level. It then interrupts the CPU +using GIC INT12. + +Required properties for the top level node: +- #gpio-cells : Should be two. The first cell is the GPIO pin number and the + second cell specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>. + Only the GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported. +- #interrupt-cells : Specifies the number of cells needed to encode an + interrupt. Should be 2. The first cell defines the interrupt number, + the second encodes the triger flags encoded as described in + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +- compatible: + - "mediatek,mt7621-gpio" for Mediatek controllers +- reg : Physical base address and length of the controller's registers +- interrupt-parent : phandle of the parent interrupt controller. +- interrupts : Interrupt specifier for the controllers interrupt. +- interrupt-controller : Mark the device node as an interrupt controller. +- gpio-controller : Marks the device node as a GPIO controller. + +Example: + gpio@600 { + #gpio-cells = <2>; + #interrupt-cells = <2>; + compatible = "mediatek,mt7621-gpio"; + gpio-controller; + interrupt-controller; + reg = <0x600 0x100>; + interrupt-parent = <&gic>; + interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/dts/Bindings/gpio/nintendo,hollywood-gpio.txt b/dts/Bindings/gpio/nintendo,hollywood-gpio.txt index 45a61b4622..df63da4630 100644 --- a/dts/Bindings/gpio/nintendo,hollywood-gpio.txt +++ b/dts/Bindings/gpio/nintendo,hollywood-gpio.txt @@ -14,7 +14,6 @@ Optional properties: - #interrupt-cells: Should be two. - interrupts: Interrupt specifier for the controller's Broadway (PowerPC) interrupt. -- interrupt-parent: phandle of the parent interrupt controller. Example: diff --git a/dts/Bindings/gpio/nvidia,tegra186-gpio.txt b/dts/Bindings/gpio/nvidia,tegra186-gpio.txt index c82a2e221b..adff16c71d 100644 --- a/dts/Bindings/gpio/nvidia,tegra186-gpio.txt +++ b/dts/Bindings/gpio/nvidia,tegra186-gpio.txt @@ -68,6 +68,8 @@ Required properties: One of: - "nvidia,tegra186-gpio". - "nvidia,tegra186-gpio-aon". + - "nvidia,tegra194-gpio". + - "nvidia,tegra194-gpio-aon". - reg-names Array of strings. Contains a list of names for the register spaces described by the reg @@ -91,6 +93,8 @@ Required properties: depending on compatible value: - "nvidia,tegra186-gpio": 6 entries. - "nvidia,tegra186-gpio-aon": 1 entry. + - "nvidia,tegra194-gpio": 6 entries. + - "nvidia,tegra194-gpio-aon": 1 entry. - gpio-controller Boolean. Marks the device node as a GPIO controller/provider. diff --git a/dts/Bindings/gpio/renesas,gpio-rcar.txt b/dts/Bindings/gpio/renesas,gpio-rcar.txt index 378f132221..4018ee57a6 100644 --- a/dts/Bindings/gpio/renesas,gpio-rcar.txt +++ b/dts/Bindings/gpio/renesas,gpio-rcar.txt @@ -17,6 +17,7 @@ Required Properties: - "renesas,gpio-r8a7796": for R8A7796 (R-Car M3-W) compatible GPIO controller. - "renesas,gpio-r8a77965": for R8A77965 (R-Car M3-N) compatible GPIO controller. - "renesas,gpio-r8a77970": for R8A77970 (R-Car V3M) compatible GPIO controller. + - "renesas,gpio-r8a77980": for R8A77980 (R-Car V3H) compatible GPIO controller. - "renesas,gpio-r8a77990": for R8A77990 (R-Car E3) compatible GPIO controller. - "renesas,gpio-r8a77995": for R8A77995 (R-Car D3) compatible GPIO controller. - "renesas,rcar-gen1-gpio": for a generic R-Car Gen1 GPIO controller. @@ -31,7 +32,6 @@ Required Properties: - reg: Base address and length of each memory resource used by the GPIO controller hardware module. - - interrupt-parent: phandle of the parent interrupt controller. - interrupts: Interrupt specifier for the controllers interrupt. - gpio-controller: Marks the device node as a gpio controller. diff --git a/dts/Bindings/gpio/rockchip,rk3328-grf-gpio.txt b/dts/Bindings/gpio/rockchip,rk3328-grf-gpio.txt new file mode 100644 index 0000000000..f9231df17c --- /dev/null +++ b/dts/Bindings/gpio/rockchip,rk3328-grf-gpio.txt @@ -0,0 +1,32 @@ +Rockchip RK3328 GRF (General Register Files) GPIO controller. + +In Rockchip RK3328, the output only GPIO_MUTE pin, originally for codec mute +control, can also be used for general purpose. It is manipulated by the +GRF_SOC_CON10 register in GRF. Aside from the GPIO_MUTE pin, the HDMI pins can +also be set in the same way. + +Currently this GPIO controller only supports the mute pin. If needed in the +future, the HDMI pins support can also be added. + +Required properties: +- compatible: Should contain "rockchip,rk3328-grf-gpio". +- gpio-controller: Marks the device node as a gpio controller. +- #gpio-cells: Should be 2. The first cell is the pin number and + the second cell is used to specify the gpio polarity: + 0 = Active high, + 1 = Active low. + +Example: + + grf: syscon@ff100000 { + compatible = "rockchip,rk3328-grf", "syscon", "simple-mfd"; + + grf_gpio: grf-gpio { + compatible = "rockchip,rk3328-grf-gpio"; + gpio-controller; + #gpio-cells = <2>; + }; + }; + +Note: The grf_gpio node should be declared as the child of the GRF (General +Register File) node. The GPIO_MUTE pin is referred to as <&grf_gpio 0>. diff --git a/dts/Bindings/gpio/snps-dwapb-gpio.txt b/dts/Bindings/gpio/snps-dwapb-gpio.txt index 3c1118bc67..7276b50c35 100644 --- a/dts/Bindings/gpio/snps-dwapb-gpio.txt +++ b/dts/Bindings/gpio/snps-dwapb-gpio.txt @@ -25,7 +25,6 @@ controller. interrupt. Shall be set to 2. The first cell defines the interrupt number, the second encodes the triger flags encoded as described in Documentation/devicetree/bindings/interrupt-controller/interrupts.txt -- interrupt-parent : The parent interrupt controller. - interrupts : The interrupts to the parent controller raised when GPIOs generate the interrupts. If the controller provides one combined interrupt for all GPIOs, specify a single interrupt. If the controller provides one |